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Apr 28, 2016 at 18:31
Are you comparing floating point numbers? Choosing a correct value for epsilon is impossible in the general case:
Comparing Floating Point Numbers, 2012 Edition
Comparing Floating Point Numbers, 2012 Edition
This post is a more carefully thought out and peer reviewed version of a floating-point comparison article I wrote many years ago. This one gives solid advice and some surprising observations about…

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May 12, 2026 at 15:56
2
What's the best string representation of a function? Comparing with other PLs: Python: <function __main__.add_one()> JS: [Function: addOne] Clojure: #function[user/add-one] Scheme: #<procedure add-one (x)> I'm currently thinking about <fun add_one() foo.gdn:123>
Mar 3, 2024 at 22:56
I'm flattered that SemanticDiff has a blog post comparing it with difftastic! https://semanticdiff.com/blog/semanticdiff-vs-difftastic/ It's a pretty even-handed post, and it touches on some of the different design decisions. For example, SemanticDiff considers 0xA and 10 to be the same when diffing.
SemanticDiff vs. Difftastic: How do they differ?
SemanticDiff vs. Difftastic: How do they differ?
SemanticDiff or difftastic: Which one is right for you? Check out our comparison of their inner workings, features, and workflow integration to decide.
Feb 3, 2023 at 08:03
Wonderful article comparing error wording and display across many different programming languages:
Compiler Error Quality: 8 Languages Ranked by Developer Speed
Compiler Error Quality: 8 Languages Ranked by Developer Speed
Developer productivity has many factors. We compare compiler messages in Go, Rust, Python, Typescript, Scala, and Java